package com.hmdp.utils;

import lombok.extern.slf4j.Slf4j;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@Slf4j
public class LoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler){
        log.debug("登录拦截器");
        //判断ThreadLocal中是否有用户
        if (UserHolder.getUser() == null) {
            //没有，拦截
            response.setStatus(401);
            return false;
        }
        //放行
        return true;
    }


}
